998541414157 has 16 divisors (see below), whose sum is σ = 1165266974592. Its totient is φ = 838006214400.

The previous prime is 998541414089. The next prime is 998541414163. The reversal of 998541414157 is 751414145899.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-998541414157 is a prime.

It is a super-2 number, since 2×998541414157² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998541114157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7061719 + ... + 7201732.

It is an arithmetic number, because the mean of its divisors is an integer number (72829185912).

Almost surely, 2^998541414157 is an apocalyptic number.

It is an amenable number.

998541414157 is a deficient number, since it is larger than the sum of its proper divisors (166725560435).

998541414157 is a wasteful number, since it uses less digits than its factorization.

998541414157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14263668.

The product of its digits is 7257600, while the sum is 58.

The spelling of 998541414157 in words is "nine hundred ninety-eight billion, five hundred forty-one million, four hundred fourteen thousand, one hundred fifty-seven".